文献类型：期刊文献

英文题名：Insights into the hydrogen generation from water-iron rock reactions at low temperature and the key limiting factors in the process

作者：Irfan, Muhammad[1,2,4];Zhou, Lei[1,2];Bai, Yang[1,2];Yuan, Shan[1,2];Liang, Tian-Tian[1,2];Liu, Yi-Fan[1,2];Liu, Jin Feng[1,2];Yang, Shi-Zhong[1,2];Gu, Ji-Dong[3];Mu, Bo-Zhong[1,2,5]

机构：[1]East China Univ Sci & Technol, State Key Lab Bioreactor Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China;[3]Univ Hong Kong, Sch Biol Sci, Pokfulam Rd, Hong Kong, Peoples R China;[4]Univ Engn & Technol, Dept Chem Polymer & Composite Mat Engn, KSK Campus, Lahore 54890, Pakistan;[5]East China Univ Sci & Technol, Engn Res Ctr MEOR, Minist Educ, Shanghai 200237, Peoples R China

年份：2019

卷号：44

期号：33

起止页码：18007

外文期刊名：INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

收录：;EI(收录号：20192407023400);WOS:【SCI-EXPANDED(收录号:WOS:000476964900051)】；

基金：This work was supported by the National Science Foundation of China (41530318, 41403066), the Research Foundation of Shanghai (15JC1401400), and The Fundamental Research Funds for the Central Universities in China (222201817017) and the University of Engineering and Technology KSK Campus, Lahore, Pakistan.

语种：英文

外文关键词：Hydrogen generation; Catalysis; Green environment; Iron minerals; Methane

摘要：Hydrogen generation from water-rock reactions is mostly studied at high temperature. This study investigated the process at low temperature (5-20 degrees C) using both synthetic and natural iron minerals (magnetite, goethite and hematite) for a better understanding about the reaction pathway and the key factors involved. Maximum hydrogen generation detected was 6.8 mu mol/g with natural goethite. Characterization of the minerals by X-ray diffraction (XRD), X-ray fluorescence (XRF), Scanning electron microscopy (SEM), Energy dispersive spectroscopy (EDS) and aqueous phase by Inductively coupled plasma atomic emission spectrometer (ICP-AES) and ferrozine spectrophotometry revealed hydrogen generation to be related to the composition and specific surface area of the minerals. Low concentration of methane (200 nmol/g from natural magnetite) was also detected from natural minerals, which indicated catalytic effects. The study is significant for hydrogen generation at low temperature and yield insights on fate of carbon dioxide in the underground reservoirs and a sustainable environment. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.